84 lines
3 KiB
JavaScript
84 lines
3 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_Subject,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subject } from '../Subject';
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import { OuterSubscriber } from '../OuterSubscriber';
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import { subscribeToResult } from '../util/subscribeToResult';
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export function windowWhen(closingSelector) {
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return function windowWhenOperatorFunction(source) {
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return source.lift(new WindowOperator(closingSelector));
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};
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}
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var WindowOperator = /*@__PURE__*/ (function () {
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function WindowOperator(closingSelector) {
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this.closingSelector = closingSelector;
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}
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WindowOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new WindowSubscriber(subscriber, this.closingSelector));
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};
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return WindowOperator;
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}());
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var WindowSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(WindowSubscriber, _super);
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function WindowSubscriber(destination, closingSelector) {
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var _this = _super.call(this, destination) || this;
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_this.destination = destination;
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_this.closingSelector = closingSelector;
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_this.openWindow();
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return _this;
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}
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WindowSubscriber.prototype.notifyNext = function (_outerValue, _innerValue, _outerIndex, _innerIndex, innerSub) {
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this.openWindow(innerSub);
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};
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WindowSubscriber.prototype.notifyError = function (error) {
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this._error(error);
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};
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WindowSubscriber.prototype.notifyComplete = function (innerSub) {
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this.openWindow(innerSub);
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};
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WindowSubscriber.prototype._next = function (value) {
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this.window.next(value);
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};
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WindowSubscriber.prototype._error = function (err) {
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this.window.error(err);
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this.destination.error(err);
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this.unsubscribeClosingNotification();
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};
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WindowSubscriber.prototype._complete = function () {
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this.window.complete();
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this.destination.complete();
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this.unsubscribeClosingNotification();
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};
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WindowSubscriber.prototype.unsubscribeClosingNotification = function () {
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if (this.closingNotification) {
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this.closingNotification.unsubscribe();
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}
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};
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WindowSubscriber.prototype.openWindow = function (innerSub) {
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if (innerSub === void 0) {
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innerSub = null;
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}
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if (innerSub) {
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this.remove(innerSub);
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innerSub.unsubscribe();
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}
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var prevWindow = this.window;
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if (prevWindow) {
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prevWindow.complete();
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}
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var window = this.window = new Subject();
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this.destination.next(window);
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var closingNotifier;
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try {
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var closingSelector = this.closingSelector;
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closingNotifier = closingSelector();
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}
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catch (e) {
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this.destination.error(e);
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this.window.error(e);
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return;
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}
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this.add(this.closingNotification = subscribeToResult(this, closingNotifier));
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};
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return WindowSubscriber;
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}(OuterSubscriber));
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//# sourceMappingURL=windowWhen.js.map
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